The marketing department at Bodnar Industries is developing a promotional campaign to introduce a new product. A listing of the various activities required, their immediate predecessors, and estimates of their times (in days) is given below.

a) Draw the precedence diagram for this network.

b) Identify the critical path and the expected project completion time.

For any calculations that you make that involve time, use the time (days) to two decimal places (xx.xx).

Activity	Description	Immediate Predecessors	Optimistic Time	Most Likely Time	Pessimistic Time
A	Rough brochure layout	--	2	3	5
B	Review brochure	A	6	8	10
C	Final brochure layout	B	4	6	8
D	Final brochure artwork	C	5	7	11
E	Design display	--	12	15	20
F	Rough display artwork	E	2	3	4
G	Review display	E	6	8	10
H	Revise display	G	2	3	4
I	Final display artwork	F,H	1	2	4
J	Make display plates	I	18	23	26
K	Make brochure plates	D,I	10	13	16
L	Make and ship displays	J	7	10	14
M	Print and ship brochures	K	6	8	10